Finding the Fourth Proportional to 2,055.71, 3,084.84 and 1,131.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.71 : 3,084.84 = 1,131.86 : x
2. Step 2: Convert to fraction form
   2,055.71/3,084.84 = 1,131.86/x
3. Step 3: Cross multiply
   2,055.71x = 3,084.84 × 1,131.86
4. Step 4: Simplify right side
   2,055.71x = 3,491,591.58
5. Step 5: Solve for x
   x = 3,491,591.58/2,055.71
6. Step 6: Final answer
   x = 1,698.49